What is the meaning of Obsidional?

(a.) Of or pertaining to a siege.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). obsidional. Retrieved September 20, 2026, from http://smartdefine.org/obsidional/definitions/2038063
ChicagoWebster's. 2011. "obsidional" http://smartdefine.org/obsidional/definitions/2038063 (accessed September 20, 2026).
HarvardWebster's 2011, obsidional, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/obsidional/definitions/2038063>.
MLAWebster's. "obsidional" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/obsidional/definitions/2038063>